<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>1.帅哥美女走一走</title>
</head>

<body>
  <div id="app">
    <ul>
      <li v-for="item in list">{{item}}</li>
    </ul>
    <button @click="go">走一走</button>
  </div>
  <script src='../vue.js'></script>
  <script>
    const app = new Vue({
      el: '#app',
      data: {
        list: ['帅哥', '美女', '程序猿']
      },
      methods: {
        go() {
          this.list.push(this.list.shift())
        }
      }
    })
  </script>
</body>

</html>